projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| d42a280d MW |
1 | /* |
| 2 | * simone.c -- ASoC audio for Simplemachines Sim.One board | |
| 3 | * | |
| 4 | * Copyright (c) 2010 Mika Westerberg | |
| 5 | * | |
| 6 | * Based on snappercl15 machine driver by Ryan Mallon. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/init.h> | |
| 14 | #include <linux/module.h> | |
| 15 | #include <linux/platform_device.h> | |
| 16 | ||
| 17 | #include <sound/core.h> | |
| 18 | #include <sound/pcm.h> | |
| 19 | #include <sound/soc.h> | |
| 20 | ||
| 21 | #include <asm/mach-types.h> | |
| 22 | #include <mach/hardware.h> | |
| 23 | ||
| 24 | #include "ep93xx-pcm.h" | |
| 25 | ||
| 26 | static struct snd_soc_dai_link simone_dai = { | |
| 27 | .name = "AC97", | |
| 28 | .stream_name = "AC97 HiFi", | |
| 29 | .cpu_dai_name = "ep93xx-ac97", | |
| 30 | .codec_dai_name = "ac97-hifi", | |
| 31 | .codec_name = "ac97-codec", | |
| 32 | .platform_name = "ep93xx-pcm-audio", | |
| 33 | }; | |
| 34 | ||
| 35 | static struct snd_soc_card snd_soc_simone = { | |
| 36 | .name = "Sim.One", | |
| 37 | .dai_link = &simone_dai, | |
| 38 | .num_links = 1, | |
| 39 | }; | |
| 40 | ||
| 41 | static struct platform_device *simone_snd_ac97_device; | |
| 42 | static struct platform_device *simone_snd_device; | |
| 43 | ||
| 44 | static int __init simone_init(void) | |
| 45 | { | |
| 46 | int ret; | |
| 47 | ||
| 48 | if (!machine_is_sim_one()) | |
| 49 | return -ENODEV; | |
| 50 | ||
| 51 | simone_snd_ac97_device = platform_device_alloc("ac97-codec", -1); | |
| 52 | if (!simone_snd_ac97_device) | |
| 53 | return -ENOMEM; | |
| 54 | ||
| 55 | ret = platform_device_add(simone_snd_ac97_device); | |
| 56 | if (ret) | |
| 14abca3d | 57 | goto fail1; |
| d42a280d MW |
58 | |
| 59 | simone_snd_device = platform_device_alloc("soc-audio", -1); | |
| 60 | if (!simone_snd_device) { | |
| 61 | ret = -ENOMEM; | |
| 14abca3d | 62 | goto fail2; |
| d42a280d MW |
63 | } |
| 64 | ||
| 65 | platform_set_drvdata(simone_snd_device, &snd_soc_simone); | |
| 66 | ret = platform_device_add(simone_snd_device); | |
| 14abca3d AL |
67 | if (ret) |
| 68 | goto fail3; | |
| d42a280d | 69 | |
| 14abca3d | 70 | return 0; |
| d42a280d | 71 | |
| 14abca3d AL |
72 | fail3: |
| 73 | platform_device_put(simone_snd_device); | |
| 74 | fail2: | |
| 75 | platform_device_del(simone_snd_ac97_device); | |
| 76 | fail1: | |
| d42a280d MW |
77 | platform_device_put(simone_snd_ac97_device); |
| 78 | return ret; | |
| 79 | } | |
| 80 | module_init(simone_init); | |
| 81 | ||
| 82 | static void __exit simone_exit(void) | |
| 83 | { | |
| 84 | platform_device_unregister(simone_snd_device); | |
| 85 | platform_device_unregister(simone_snd_ac97_device); | |
| 86 | } | |
| 87 | module_exit(simone_exit); | |
| 88 | ||
| 89 | MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One"); | |
| 90 | MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>"); | |
| 91 | MODULE_LICENSE("GPL"); |